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Finding the Third Proportional to 159,578 and 242,824

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Solution

The third proportional to 159,578 and 242,824 is: 369,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,578 : 242,824 = 242,824 : x
  2. Step 2: Convert to fraction form
    159,578/242,824 = 242,824/x
  3. Step 3: Cross multiply
    159,578x = 242,824 × 242,824
  4. Step 4: Simplify right side
    159,578x = 58,963,494,976
  5. Step 5: Solve for x
    x = 58,963,494,976/159,578
  6. Step 6: Final answer
    x = 369,496.39

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.